| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2015/08/20 | 00:28:03.0 | 04:58:03.0 | 35.113 | 54.508 | 17 | ML:2.5 | Semnan Province, 118 km South-East of Damghan | ||
| 2015/08/17 | 17:36:00.9 | 22:06:00.9 | 36.348 | 55.284 | 6 | ML:4.3 | Semnan Province, 29 km -East of Shahrud | ||
| 2015/08/17 | 12:03:05.7 | 16:33:05.7 | 36.205 | 53.772 | 14 | ML:2.7 | Mazandaran Province, 52 km -West of Damghan | ||
| 2015/08/14 | 23:33:17.7 | 04:03:17.7 | 34.255 | 54.594 | 14 | ML:3.8 | Semnan Province, 214 km South-East of Damghan |
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